GB1585295A - Apparatus for performing a measurement of the volume and an optical measurement of particles in a suspension of particles - Google Patents

Apparatus for performing a measurement of the volume and an optical measurement of particles in a suspension of particles Download PDF

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Publication number
GB1585295A
GB1585295A GB43903/77A GB4390377A GB1585295A GB 1585295 A GB1585295 A GB 1585295A GB 43903/77 A GB43903/77 A GB 43903/77A GB 4390377 A GB4390377 A GB 4390377A GB 1585295 A GB1585295 A GB 1585295A
Authority
GB
United Kingdom
Prior art keywords
particles
chamber
measuring
measurement
measuring orifice
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB43903/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Max Planck Gesellschaft zur Foerderung der Wissenschaften
Original Assignee
Max Planck Gesellschaft zur Foerderung der Wissenschaften
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Max Planck Gesellschaft zur Foerderung der Wissenschaften filed Critical Max Planck Gesellschaft zur Foerderung der Wissenschaften
Publication of GB1585295A publication Critical patent/GB1585295A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1425—Optical investigation techniques, e.g. flow cytometry using an analyser being characterised by its control arrangement
    • G01N15/1427—Optical investigation techniques, e.g. flow cytometry using an analyser being characterised by its control arrangement with the synchronisation of components, a time gate for operation of components, or suppression of particle coincidences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N2015/1019—Associating Coulter-counter and optical flow cytometer [OFC]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/131—Details
    • G01N2015/133—Flow forming

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB43903/77A 1976-12-14 1977-10-21 Apparatus for performing a measurement of the volume and an optical measurement of particles in a suspension of particles Expired GB1585295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2656654A DE2656654C3 (de) 1976-12-14 1976-12-14 Vorrichtung zur Messung des Volumens und bestimmter optischer Eigenschaften von Partikeln

Publications (1)

Publication Number Publication Date
GB1585295A true GB1585295A (en) 1981-02-25

Family

ID=5995517

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43903/77A Expired GB1585295A (en) 1976-12-14 1977-10-21 Apparatus for performing a measurement of the volume and an optical measurement of particles in a suspension of particles

Country Status (5)

Country Link
US (1) US4198160A (enrdf_load_stackoverflow)
JP (1) JPS5374476A (enrdf_load_stackoverflow)
CH (1) CH620519A5 (enrdf_load_stackoverflow)
DE (1) DE2656654C3 (enrdf_load_stackoverflow)
GB (1) GB1585295A (enrdf_load_stackoverflow)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284355A (en) * 1979-10-29 1981-08-18 Ortho Diagnostics, Inc. Automated method for cell volume determination
US4298836A (en) * 1979-11-23 1981-11-03 Coulter Electronics, Inc. Particle shape determination
DE3266669D1 (en) * 1981-06-24 1985-11-07 Becton Dickinson Co Analyzer for simultaneously determining volume and light emission characteristics of particles
US4499052A (en) * 1982-08-30 1985-02-12 Becton, Dickinson And Company Apparatus for distinguishing multiple subpopulations of cells
JPS59184841A (ja) * 1983-04-05 1984-10-20 ベクトン・デイツキンソン・アンド・カンパニ− サンプル中の白血球のサブクラスを識別する方法および装置
US4710021A (en) * 1983-10-14 1987-12-01 Sequoia-Turner Corporation Particulate matter analyzing apparatus and method
DE3420018A1 (de) * 1984-05-29 1985-12-05 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Vorrichtung zur messung bestimmter eigenschaften in einem traegermedium suspendierter partikel
US4769609A (en) * 1986-09-19 1988-09-06 Senichi Masuda Measurement of ultra-fine particles utilizing pulsed corona signals
DE3786657D1 (de) * 1987-02-17 1993-08-26 Ratcom Inc Durchflusszytometrie.
JPH05846Y2 (enrdf_load_stackoverflow) * 1987-02-26 1993-01-11
WO1989004961A1 (en) * 1987-11-13 1989-06-01 Techne Corporation Hematology cell counting apparatus
US5194909A (en) * 1990-12-04 1993-03-16 Tycko Daniel H Apparatus and method for measuring volume and hemoglobin concentration of red blood cells
JP3232145B2 (ja) * 1991-12-27 2001-11-26 シスメックス株式会社 網赤血球測定方法
EP0580525A1 (en) * 1992-07-13 1994-01-26 Eastman Kodak Company Particle size probe for silver halide emulsion
GB9215733D0 (en) * 1992-07-24 1992-09-09 British Tech Group Method of and apparatus for determining a property of a sample
US5395588A (en) * 1992-12-14 1995-03-07 Becton Dickinson And Company Control of flow cytometer having vacuum fluidics
US5728351A (en) * 1993-01-21 1998-03-17 Cdc Technologies, Inc. Apparatus for making a plurality of reagent mixtures and analyzing particle distributions of the reagent mixtures
US5380491A (en) * 1993-01-21 1995-01-10 Cdc Technologies, Inc. Apparatus for pumping and directing fluids for hematology testing
US6812032B1 (en) 1993-01-21 2004-11-02 Cdc Technologies, Inc. Apparatus and method for making a plurality of reagent mixtures and analyzing particle distributions of the reagent mixtures
US5570175A (en) * 1994-03-07 1996-10-29 Ceram Optec Industries Inc. Method for determination of degree of molecular dissociation in plasma using combined electrostatic measurement and emission spectroscopy
GB9405028D0 (en) * 1994-03-15 1994-04-27 Counting Tech Ltd Fluid diluter
JP3347495B2 (ja) * 1994-11-14 2002-11-20 シスメックス株式会社 粒子分析装置
US5840254A (en) * 1995-06-02 1998-11-24 Cdc Technologies, Inc. Apparatus for mixing fluids for analysis
US5818731A (en) * 1995-08-29 1998-10-06 Mittal; Gauri S. Method and apparatus for measuring quality of frying/cooking oil/fat
JP3587607B2 (ja) * 1995-12-22 2004-11-10 シスメックス株式会社 粒子測定装置およびその方法
CA2229528A1 (en) 1998-02-13 1999-08-13 Shailesh Mehta Apparatus and method for analyzing particles
GB9810493D0 (en) * 1998-05-16 1998-07-15 Microbial Systems Ltd Particle detector system
US7656146B2 (en) * 2006-11-02 2010-02-02 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Particle analyzer based on sheath flow impedance method
CN102087197B (zh) * 2009-12-08 2014-06-18 龚维燕 全功能血液分析仪器中库尔特微孔的共轴照明方法及其分析仪器
WO2019127563A1 (zh) * 2017-12-30 2019-07-04 深圳迈瑞生物医疗电子股份有限公司 鞘流阻抗法粒子分析仪及其测量方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL137000C (enrdf_load_stackoverflow) * 1964-03-26
DE1815352C3 (de) * 1968-12-18 1975-03-20 Wolfgang Prof. Dr. Dittrich Automatisches MeB- und Zählgerät für die Teilchen einer Dispersion
US3770349A (en) * 1969-03-17 1973-11-06 Sanchez G Legorreta Method and apparatus for automatically classifying complex, microscopic particles such as human cells
DE1919628C3 (de) * 1969-04-18 1975-04-10 Wolfgang Prof. Dr. Dittrich Anordnung zum automatischen Zählen und/oder Klassifizieren von in einem strömungsfähigen Medium dispergierten Teilchen
US3910702A (en) * 1974-02-12 1975-10-07 Particle Technology Inc Apparatus for detecting particles employing apertured light emitting device
US4070617A (en) * 1974-05-08 1978-01-24 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Device for controlling the particle flow in an apparatus for measuring the properties of particles suspended in liquid
JPS51103482A (enrdf_load_stackoverflow) * 1975-03-08 1976-09-13 Toa Electric Co Ltd
US4014611A (en) * 1975-04-30 1977-03-29 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus

Also Published As

Publication number Publication date
DE2656654A1 (de) 1978-07-13
US4198160A (en) 1980-04-15
JPS5374476A (en) 1978-07-01
CH620519A5 (enrdf_load_stackoverflow) 1980-11-28
JPH0114531B2 (enrdf_load_stackoverflow) 1989-03-13
DE2656654B2 (de) 1980-06-04
DE2656654C3 (de) 1981-02-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee